# import threading
# import random
# import time
#
#
# class A:
#     obj = None
#
#     def __new__(cls, *args, **kwargs):
#         if cls.obj:
#             print(2)
#             return cls.obj
#
#         time.sleep(2)
#         cls.obj = random.randint(1, 100)
#
#
# def t():
#     print(A())






